These functions use the header .
Wide-Character Array Functions and Their char Equivalents
Functionchar Equivalent
wchar_t *wmemchr(const wchar_t *str,wchar_t ch, size_t num)memchr()
int wmemcmp(const wchar_t *str1,const wchar_t *str2, size_t num)memcmp()
wchar_t *wmemcpy(wchar_t *str1, const wchar_t *str2, size_t num)memcpy()
wchar_t *wmemmove(wchar_t *str1, const wchar_t *str2, size_t num)memmove()
wchar_t *wmemset(wchar_t *str, wchar_t ch, size_t num)memset()
(C: The Complete Reference, Fourth Edition by Herbert Schildt McGraw-Hill/Osborne 2000
ISBN-10: 0072121246, ISBN-13: 978-0072121247)